working 3d hover

src/Renderer.js

@@ -1,6 +1,6 @@
 
 
-  
+
 import * as THREE from '../node_modules/three/src/Three';
 // import { OrbitControls } from './utils/OrbitControls'
 import { TrackballControls } from './utils/trackball'
@@ -8,9 +8,17 @@ import { Sketcher } from './sketcher/Sketcher'
 import Stats from './utils/stats.module.js';
 
 import { add3DPoint } from './datums'
-import {extrude} from './sketcher/extrude'
+import { extrude } from './sketcher/extrude'
+import { onHover } from './mouseEvents';
 
 
+// class Scene extends THREE.Scene {
+
+
+//   constructor() {
+    
+//   }
+// }
 
 export function Renderer(store) {
   this.store = store
@@ -29,7 +37,7 @@ export function Renderer(store) {
   // this.scene.background = new THREE.Color(0xffffff);
 
   const helpersGroup = new THREE.Group();
-  helpersGroup.name= "helpersGroup"
+  helpersGroup.name = "helpersGroup"
   this.scene.add(helpersGroup);
   const axesHelper = new THREE.AxesHelper(5);
   helpersGroup.add(axesHelper);
@@ -46,8 +54,6 @@ export function Renderer(store) {
   controls.target.set(0, 0, 0);
   controls.update()
 
-
-
   const color = 0xFFFFFF;
   const intensity = 1;
   const light1 = new THREE.DirectionalLight(color, intensity);
@@ -61,54 +67,6 @@ export function Renderer(store) {
   this.scene.add(ambient);
 
 
-
-
-  // this.defaultPlanes = [
-  //   new THREE.Plane(new THREE.Vector3(0, 0, 1), 0),
-  //   new THREE.Plane(new THREE.Vector3(0, 1, 0), 0),
-  //   new THREE.Plane(new THREE.Vector3(1, 0, 0), 0),
-  // ]
-
-  // this.defaultPlanes.forEach(pl => {
-  //   const helper = new THREE.PlaneHelper(pl, 10, 0xffffff)
-  //   this.scene.add(helper);
-  // })
-
-
-
-
-
-
-
-
-  const unsubscribe = store.subscribe(handleChange.bind(this))
-
-  let state;
-  function handleChange() {
-    let prevState = state
-    state = store.getState()
-
-    // if (prevState.sketches.length < state.sketches.length) {
-
-
-    // }
-
-    // if (state.toggle) {
-    //   window.addEventListener('keydown', this.sketcher.onKeyPress)
-    //   canvas.addEventListener('pointerdown', this.sketcher.onPick)
-    //   canvas.addEventListener('pointermove', this.sketcher.onHover)
-    //   canvas.removeEventListener('pointerdown', this.add3DPoint)
-    // } else {
-    //   window.removeEventListener('keydown', this.sketcher.onKeyPress)
-    //   canvas.removeEventListener('pointerdown', this.sketcher.onPick)
-    //   canvas.removeEventListener('pointermove', this.sketcher.onHover)
-    //   canvas.addEventListener('pointerdown', this.add3DPoint)
-    // }
-
-  }
-
-
-
   this.hovered = []
   this.selected = new Set()
 
@@ -116,7 +74,8 @@ export function Renderer(store) {
   this.resizeCanvas = resizeCanvas.bind(this)
   this.addSketch = addSketch.bind(this)
   this.extrude = extrude.bind(this)
-  // this.waitPoint = waitPoint.bind(this)
+
+  this.onHover = onHover.bind(this);
 
   controls.addEventListener('change', this.render);
   controls.addEventListener('start', this.render);
@@ -169,12 +128,10 @@ async function addSketch() {
   window.sketcher = sketcher
 
   this.render()
-  this.store.dispatch({ type: 'rx-sketch', obj:sketcher })
+  this.store.dispatch({ type: 'rx-sketch', obj: sketcher })
 
 }
 
-
-
 function getPoint(e, camera) {
   const mouse = new THREE.Vector2(
     (e.clientX / window.innerWidth) * 2 - 1,

src/app.jsx

@@ -1,6 +1,6 @@
 
 
-import React from 'react';
+import React, { useEffect, useState } from 'react';
 import './app.scss'
 
 import { Provider, useDispatch, useSelector } from 'react-redux'
@@ -12,25 +12,52 @@ export const Root = ({ store }) => (
   </Provider>
 );
 
+
+
+function treeId2Obj(id) {
+  return renderInst.scene.getObjectById(parseInt(id.slice(1)))
+}
+
 const App = () => {
   const dispatch = useDispatch()
   const treeEntries = useSelector(state => state.treeEntries)
+  const activeSketch = useSelector(state => state.activeSketch)
+
+  // const [state, setState] = useState('x')
+  // useEffect(()=>{
+  //   console.log('hereeee')
+  // },[state])
+
+  useEffect(() => {
+    if (!activeSketch) {
+      renderInst.canvas.addEventListener('pointermove', renderInst.onHover)
+      return () => renderInst.canvas.removeEventListener('pointermove', renderInst.onHover)
+    }
+  }, [activeSketch])
 
   return <>
 
     <div className='buttons-group'>
-      <button onClick={() => dispatch({ type: 'toggle', payload: true })}> true</button>
-      <button onClick={() => dispatch({ type: 'toggle', payload: false })}> false </button>
-      <button onClick={renderInst.addSketch}> addsketch </button>
-      <button onClick={()=>renderInst.extrude(4)}> extrude </button>
+      {activeSketch ?
+        <button onClick={() => treeId2Obj(activeSketch).deactivate()}>
+          Exit sketch
+        </button> :
+        <button onClick={renderInst.addSketch}> addsketch </button>
+      }
+      <button onClick={() => renderInst.extrude(treeId2Obj(activeSketch))}> extrude </button>
+      {/* <button onClick={() => setState('')}> test </button> */}
     </div>
 
     <div className='feature-tree'>
       {treeEntries.allIds.map((entId, idx) => (
         <div key={idx}
-        onClick={()=>{
-          renderInst.extrude(treeEntries.byId[entId])
-        }}
+          onClick={() => {
+            if (activeSketch) {
+              treeId2Obj(activeSketch).deactivate()
+            }
+            treeId2Obj(entId).activate()
+          }
+          }
         >{entId}</div>
       ))}
     </div>

src/index.js

@@ -21,7 +21,14 @@ function reducer(state = {}, action) {
           byId: { ...state.treeEntries.byId, [id]: action.obj },
           allIds: [...state.treeEntries.allIds, id]
         },
-        env: id
+      }
+    case 'set-active-sketch':
+      return {
+        ...state, activeSketch:'s'+action.sketch.id
+      }
+    case 'exit-sketch':
+      return {
+        ...state, activeSketch:''
       }
     case 'rx-extrusion':
       id = 'e' + action.mesh.id
@@ -36,8 +43,6 @@ function reducer(state = {}, action) {
           ['s' + action.sketch.id]: id
         }
       }
-    case 'incsk':
-      return { ...state, id: _sketchID++ }
     default:
       return state
   }

src/mouseEvents.js

@@ -0,0 +1,120 @@
+import * as THREE from 'three/src/Three';
+import {raycaster} from './utils/static';
+
+export function onHover(e) {
+  if (this.mode || e.buttons) return
+  raycaster.setFromCamera(
+    new THREE.Vector2(
+      (e.clientX / window.innerWidth) * 2 - 1,
+      - (e.clientY / window.innerHeight) * 2 + 1
+    ),
+    this.camera
+  );
+
+  const hoverPts = raycaster.intersectObjects(this.scene.children)
+
+  
+  let idx = []
+  if (hoverPts.length) {
+    
+    let minDist = Infinity;
+    for (let i = 0; i < hoverPts.length; i++) {
+      if (!hoverPts[i].distanceToRay) continue;
+      if (hoverPts[i].distanceToRay < minDist) {
+        minDist = hoverPts[i].distanceToRay
+        idx = [i]
+      } else if (hoverPts[i].distanceToRay == minDist) {
+        idx.push(i)
+      }
+    }
+    if (!idx.length) idx.push(0)
+  }
+
+  if (idx.length) {
+    if (hoverPts[idx[0]].object != this.hovered[0]) {
+
+      for (let x = 0; x < this.hovered.length; x++) {
+        const obj = this.hovered[x]
+        if (obj && !this.selected.has(obj)) {
+          obj.material.color.set(0x555555)
+        }
+      }
+      this.hovered = []
+
+      for (let x = 0; x < idx.length; x++) {
+        const i = idx[x]
+        hoverPts[i].object.material.color.set(0x00ff00)
+        this.hovered.push(hoverPts[i].object)
+      }
+
+      // console.log('render1')
+      this.render()
+    }
+  } else {
+    if (this.hovered.length) {
+
+      for (let x = 0; x < this.hovered.length; x++) {
+        const obj = this.hovered[x]
+        if (obj && !this.selected.has(obj)) {
+          obj.material.color.set(0x555555)
+        }
+      }
+      this.hovered = []
+
+      // console.log('render2')
+      this.render()
+    }
+  }
+}
+
+
+export function onPick(e) {
+  if (this.mode || e.buttons != 1) return
+
+  if (this.hovered.length) {
+
+    for (let x = 0; x < this.hovered.length; x++) {
+      const obj = this.hovered[x]
+      this.selected.add(obj)
+    }
+
+    if (this.hovered[0].type == "Points") {
+      this.domElement.addEventListener('pointermove', this.onDrag);
+      this.domElement.addEventListener('pointerup', this.onRelease)
+    }
+  } else {
+    for (let obj of this.selected) {
+      obj.material.color.set(0x555555)
+    }
+    this.dispatchEvent({ type: 'change' })
+    this.selected.clear()
+  }
+}
+
+export function onDrag(e) {
+  const mouseLoc = this.getLocation(e);
+
+  for (let x = 0; x < this.hovered.length; x++) {
+    const obj = this.hovered[x]
+    this.ptsBuf.set(
+      mouseLoc,
+      this.objIdx.get(obj.id) * 3
+    )
+  }
+
+  this.solve()
+  this.dispatchEvent({ type: 'change' })
+}
+
+
+export function onRelease() {
+  this.domElement.removeEventListener('pointermove', this.onDrag)
+  this.domElement.removeEventListener('pointerup', this.onRelease)
+
+  for (let x = 0; x < this.hovered.length; x++) {
+    const obj = this.hovered[x]
+    obj.geometry.computeBoundingSphere()
+  }
+
+}
+

src/sketcher/Sketcher.js

@@ -3,7 +3,7 @@
 import * as THREE from '../../node_modules/three/src/Three';
 
 import { drawOnClick1, drawOnClick2, drawPreClick2, drawClear } from './drawEvents'
-import { onHover, onDrag, onPick, onRelease } from './pickEvents'
+import { onHover, onDrag, onPick, onRelease } from './sketchMouseEvents'
 import { addDimension, setCoincident } from './constraintEvents'
 import { get3PtArc } from './sketchArc'
 import { extrude } from './extrude'
@@ -18,6 +18,7 @@ class Sketcher extends THREE.Group {
   constructor(camera, domElement, store) {
     super()
     this.name = "sketch"
+    this.matrixAutoUpdate = false;
     this.camera = camera;
     this.domElement = domElement;
     this.store = store;
@@ -43,7 +44,17 @@ class Sketcher extends THREE.Group {
     this.c_id = 0;
     this.constraintsBuf = new Float32Array(this.max_constraints * 6).fill(NaN)
 
+    this.bindHandlers()
 
+
+    this.selected = new Set()
+    this.hovered = []
+    this.mode = ""
+    this.subsequent = false;
+  }
+
+
+  bindHandlers() {
     this.drawOnClick1 = drawOnClick1.bind(this);
     this.drawPreClick2 = drawPreClick2.bind(this);
     this.drawOnClick2 = drawOnClick2.bind(this);
@@ -54,21 +65,21 @@ class Sketcher extends THREE.Group {
     this.onRelease = onRelease.bind(this);
     this.onKeyPress = this.onKeyPress.bind(this);
 
-
-    this.matrixAutoUpdate = false;
-    this.selected = new Set()
-    this.hovered = []
-    this.mode = ""
-    this.subsequent = false;
   }
 
 
-
-
   activate() {
     window.addEventListener('keydown', this.onKeyPress)
     this.domElement.addEventListener('pointerdown', this.onPick)
     this.domElement.addEventListener('pointermove', this.onHover)
+    this.store.dispatch({ type: 'set-active-sketch', sketch: this })
+  }
+
+  deactivate() {
+    window.removeEventListener('keydown', this.onKeyPress)
+    this.domElement.removeEventListener('pointerdown', this.onPick)
+    this.domElement.removeEventListener('pointermove', this.onHover)
+    this.store.dispatch({ type: 'exit-sketch' })
   }
 
 
@@ -224,7 +235,6 @@ class Sketcher extends THREE.Group {
   }
 
 
-
   updatePointsBuffer(startingIdx = 0) {
     for (let i = startingIdx; i < this.children.length; i++) {
       const obj = this.children[i]

src/sketcher/sketchMouseEvents.js

@@ -1,4 +1,4 @@
-import * as THREE from '../../node_modules/three/src/Three';
+import * as THREE from 'three/src/Three';
 import {raycaster} from '../utils/static';
 
 export function onHover(e) {